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X-ray spectroscopy of hollow argon atoms formed on a beryllium surface

✍ Scribed by Yongtao Zhao; Guoqing Xiao; Xiaoan Zhang; Zhihu Yang; Wenlong Zhan; Ximeng Chen; Fuli Li

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 319 KB
Volume: 245
Category: Article
ISSN: 0168-583X
DOI: 10.1016/j.nimb.2005.11.081

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✦ Synopsis

The X-rays induced during interaction of highly charged argon ions with a beryllium surface are reported. It is found that the K shell X-ray yield of single particle during interaction of hydrogen-like argon ions was 3.6 • 10 À3 , which is five orders more than that of heliumlike argon ions. Moreover, due to the screening the 2s electron, no K X-ray was emitted during interaction of lithium-like argon ions with the beryllium surface. It is also found that the X-ray spectrum induced by Ar 17+ interacting with residual gases is very different from that induced by Ar 17+ interacting with the surfaces, that provided an experimental evidence for the existence of the hollow atoms below the surface.

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